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Recognised as Colour

#4F58DB

  • #4F58DB
  • Blue
  • Dark
  • Nearest: Medium slateblue

#4F58DB is a blue with RGB values 79, 88, 219 and HSL 236°, 66%, 58%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#4F58DB#4F58DB
HEX#4F58DB
RGBrgb(79, 88, 219)
RGB (0–1)0.3098, 0.3451, 0.8588
RGB percentages31%, 34.5%, 85.9%
HSLhsl(236.1, 66%, 58.4%)
HSV / HSBhsv(236.1, 63.9%, 85.9%)
CMYK63.9%, 59.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,200,091
CSS custom property--colour: #4F58DB;

Brightness & contrast

Relative luminance0.13756WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#B0A724

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006EDFno red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#0062D8no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#007891no blue cones; rare, and affects men and women equally; ΔE 72.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 9.7Slate blue · ΔE 10.6Royal blue · ΔE 11.6Medium purple · ΔE 21.3Rebecca purple · ΔE 24.5Dark orchid · ΔE 29.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 9.75, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBD24F
Analogous#4F9EDB, #8C4FDB
Triadic#DB4F58, #58DB4F
Split complementary#DB8C4F, #9EDB4F
Tetradic#DB4F9E, #DBD24F, #4FDB8C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8F9FE
Lighter +30%#CED1F5
Lighter +20%#A4A8EC
Lighter +10%#7980E4
Darker −10%#2A34CD
Darker −20%#212AA3
Darker −30%#191F78
Darker −40%#10144E
More saturated +25%#3441F5
Less saturated −25%#6A6FC1

Channel breakdown

R79
G88
B219
Red79 (31%)
Green88 (34.5%)
Blue219 (85.9%)
Hue236.14°
Saturation (HSL)66.04%
Lightness58.43%
Dominant channelBlue
Hex per channelR 4F · G 58 · B DB

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Every value on this page was computed from “4f58db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.